[sdiy] Oscilloscope question

[Jay Schwichtenberg]

If you're going to digitize it why not view it on a computer screen? There
are a number of different ways of doing this. Charts in Excel, open software
graphing programs and most audio programs allow you to import raw data.

I've had a similar problem doing a LFO triangle osc. I'd either take the
circuit into work where I have all sorts of scopes or change the caps in the
circuit to get the osc working at a higher freq. The last way is not perfect
since the waveforms may change between low and high freq, but so far for me
that hasn't been an issue.

Good luck.
Jay S.

> -----Original Message-----
> From: synth-diy-bounces at dropmix.xs4all.nl
> [mailto:synth-diy-bounces at dropmix.xs4all.nl]On Behalf Of David G. Dixon
> Sent: Sunday, February 21, 2010 10:05 AM
> To: 'Ian Fritz'; 'Justin Owen'; 'SDIY List'
> Subject: RE: [sdiy] Oscilloscope question
>
>
> > At 08:09 AM 2/21/2010, Justin Owen wrote:
> > >At 5 seconds I have a dot going across the screen as opposed to being
> > able
> > >to see a complete waveform or line/measurement.
>
> This sounds like a perfect project for the programmers among us: develop a
> circuit that will sample a slow waveform with high resolution then play it
> back at audio rates to that it can be observed easily on a scope.  This
> would be nice for looking at filter responses as well.
>
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